<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>按需动态加载模块</title>
</head>
<body>
    <button>hooudunren</button>
    <script type="module">
        document.querySelector('button').addEventListener('click',() => {
            import ("./217.js").then(({title,url}) => {
                console.log(title,url);
            });
        });
    </script>
</body>
</html>